#include <stdio.h>

int main ()
{

    int num = 0 ;

    scanf ("%d" , &num) ;

    if (num > 0)
    {

        printf ("是正数\n") ;

        if (num % 2 == 0)
        {

            printf ("偶数\n") ;

        } 

        else
        {

            printf ("奇数\n") ;

        }

    }

    else
    {

        printf ("非正数\n") ;

    }

    return 0 ;

}